短語詞組短語oxygen n mask 氧氣面罩;氧氣面具oxygen demo mask 示范用的氧氣面罩oxygen face mask 氧氣面罩Oxygen Finishing Mask 活氧面膜oxygen -mask system 氧氣面罩系統(tǒng)oxygen impermeable mask 不透氧掩模disposable oxygen face mask 一次性吸氧面罩oxygen closed mask 不透氧掩模Oxygen Transfer Mask 輸氧頭罩 返回 oxygen mask